"Looking for parents and siblings of Elizabeth Green Burnham"

Seek parents and siblings of Elizabeth Green Burnham
b:E.Tenn 1806 d:Iowa 1893
married Thomas Sheldon Williams b: Ky 1803 d: on way to Oregon from Iowa ca 1850
lived in St.Charles, St.Charles County, Missouri where 1st six children were born ca 1827-1841